A rash, or dermatitis (eczema), on the neck is skin inflammation and irritation. It causes a change in appearance and texture on the front, sides, or back of the neck. The appearance of a neck rash ...
An abscess occurs when an infection causes a pocket of pus to develop. Abscesses can develop on the skin, in the mouth, or inside the body. Bacterial infections typically cause abscesses. Pus develops ...